Extra 300LT - EGT Sensor; Exhaust Gas Temperature (EGT); Exhaust Gas Temperature Gauge

CHAPTER 77
PAGE 8
MAINTENANCE MANUAL EXTRA 300LT
PAGE DATE: 7. July 2010
77-20-20 Exhaust Gas Temperature (EGT)
The exhaust gas temperature gauge is located in the rear
instrument panel. The temperature sensor is located on the
rear exhaust pipe on the right-hand side (refer to Figure 1).
The sensor is mounted with a clamp. When leaning the
engine using EGT gauge, follow the procedures of the engine
manufacturer (Lycoming Service Instruction No. 1094).
77-20-21 Exhaust Gas Temperature Gauge
Removal/Installation
Refer to Chapter 31.
77-20-22 EGT Sensor
The sensor is a type K thermocouple and is connected
directly with the overbraided wiring. This wiring cannot be
disconnected from the sensor and must not be shortened.
Removal
1 Remove cowling per Chapter 71.
2 Disconnect overbraided wires from instrument.
3 Note correct wiring.
4 Remove the worm drive hose clamp from the exhaust pipe
and remove sensor with complete overbraided wires.
5 Install in reverse sequence of removal. Make sure wires are
connected correctly.